Re: [PATCH v1 07/11] cpufreq: tegra20: Check if this is Tegra20 machine

Viresh Kumar
2018-05-18T01:59:42Z

On 17-05-18, 21:00, Dmitry Osipenko wrote:
> Don't even try to request the clocks during of module initialization on
> non-Tegra20 machines (this is the case for a multi-platform kernel) for
> consistency.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/cpufreq/tegra20-cpufreq.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c
> index 147ae3e14f18..797c61c74b65 100644
> --- a/drivers/cpufreq/tegra20-cpufreq.c
> +++ b/drivers/cpufreq/tegra20-cpufreq.c
> @@ -19,6 +19,7 @@
> #include <linux/clk.h>
> #include <linux/cpufreq.h>
> #include <linux/module.h>
> +#include <linux/of.h>
>
> static struct cpufreq_frequency_table freq_table[] = {
> { .frequency = 216000 },
> @@ -155,6 +156,9 @@ static int __init tegra_cpufreq_init(void)
> {
> int err;
>
> + if (!of_machine_is_compatible("nvidia,tegra20"))
> + return -ENODEV;
> +
> cpu_clk = clk_get_sys(NULL, "cclk");
> if (IS_ERR(cpu_clk))
> return PTR_ERR(cpu_clk);

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

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viresh